Question
Choose the option which best expresses the meaning of
the idiom/phrase given below: "Beat the air"Solution
The correct answer is To make efforts that are useless or vain. Key Points. The idiom 'beat the air' means to make vain efforts. Eg- If you didn't study all semester, then your last minute study is beating the air. Â
Find how many cubes of side 1 cm each can be made by melting a cuboid with dimensions 20cm × 40cm × 5cm?
What least number must be subtracted from 5224 to get a number exactly divisible by 43?
The sum of length, breadth and height of cuboid is 25cm.If the length of the diagonal is 15 cm, then find the total surface area of the cuboid. (in cm <...
The circumference of a circle is 77 cm and the length of the rectangle is 4 times the radius of the circle. Find the area (in cm2) of the rec...
If the height of a cylinder is made four times and radius is decreased by 60%, then what is the percentage change in its volume?
A sphere is melted to form 81 identical cylinders. If radius of each cylindrical is 1/3rd of the radius of sphere and height of each cylinder...
A rectangular park with length and breadth of 16m and 20m, is surrounded by a path of 6m wide. Find the area of the path.
A circular wire of diameter 70 cm is folded in the shape of a rectangle whose sides are in the ratio 3:2. Find the area enclosed by the rectangle.
A sphere of radius 6 cm is melted and recast into 27 identical cylinders of radius 2 cm. Find height of each cylinder.
- A wheel goes 7920 metres in 90 rounds. What will be the diameter of that wheel? (Use π = 22/7)
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